世界汽车工业正朝着轻量、高速、节能、低污染、多功能的方向发展,包括塑料在内的各种高性能非金属材料的使用量有不断增加的趋势,这其中塑料和复合材料的迅速发展尤其引人注目。以塑料为例,新世纪初发达国家用于汽车行业的塑料总消费量的5%左右,约为500万吨,其中美、日、欧的用量都超过100万吨。另 The automotive industry in the world is moving towards lightweight, high speed, energy saving, low pollution and versatility. The usage of various high performance non-metallic materials, including plastics, is on the rise. Among them, the plastic and composite Rapid development is particularly noticeable. Take plastics as an example. At the beginning of the new century, about 5% of the total plastic consumption of the developed countries in the automotive industry was about 5 million tons, of which the United States, Japan and Europe all used more than 1 million tons. another